chair site
A site that has chair control rights.
CHR
Call History Record
CIF
Common Intermediate Format
CPE
Customer Premises Equipment
Any terminal and associated equipment located at a subscriber's
premises and connected with a carrier's telecommunication channel at
the demarcation point.
CSCF
Call Session Control Function
The core component of the IMS network. It performs the functions
such as registration, authentication, session control, service
triggering, topology hiding, QoS control, NAT traversal, and security
management.
D
DMZ
demilitarized zone
A buffer area between an insecure system and the secure system and
is used to solve the problem of an external network being unable to
access an internal network equipped with a firewall. The DMZ is
located between the internal network and the external network. The
DMZ contains some public server facilities, such as the enterprise
Web server and FTP server. The DMZ protects the internal network.
DNS
Domain Name System
A mechanism that maps easy-to-remember domain names to IP
addresses recognizable for network devices.
dual stream
During a conference, two channels of video streams can be sent or
received simultaneously. One channel is used for transmitting video
(such as the video captured by a camera) and the other channel is
used for transmitting presentation (such as a computer desktop).
DVI
Digital Visual Interface
DVI-I
Digital Visual Interface-Integrated
E
EUA
Enterprise Unified Address Book
A next-generation address book server launched by Huawei. It
provides LDAP-based unified address book services for Huawei
videoconferencing and enterprise communication solutions.
G
G.722
Audio codec standard that uses adaptive differential pulse-code
modulation (ADPCM). Its data rate is 48 kbit/s, 56 kbit/s, or 64
kbit/s.
G.728
Audio codec standard that uses low-delay code excited linear
prediction (LD-CELP). Its data rate is 16 kbit/s.
HUAWEI Box 700
Product Overview
A Glossary
Issue 05 (2019-06-20)
Copyright © Huawei Technologies Co., Ltd.
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